Solve |x - 1|>4 a. x< -5 or x> 5 b. x c. x< -3 or x> 5

Question

Solve |x - 1|>4 a. x b. -3< x< 5 c. x< -3 or x> 5

Answer 1

|x - 1| > 4 ⇔ x - 1 > 4 or x - 1 < -4 |add 1 to both sides

x > 5 or x < -3

Answer: c. x < -3 or x > 5.